AMD Radeon RX 455 OEM vs AMD Radeon RX 550

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 2GB VRAM Radeon RX 550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 455 OEM 's Advantages

256 additional rendering cores

AMD Radeon RX 550 's Advantages

Released 10 months late

Boost Clock1183MHz

Larger VRAM bandwidth (112.0GB/s vs 104.0GB/s)

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM +33%

1.613 TFLOPS

Radeon RX 550

1.211 TFLOPS

Radeon RX 455 OEM

VS

Radeon RX 550

Graphics Card

Jun 2016

Release Date

Apr 2017

Arctic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1183 MHz

1625 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

104.0GB/s

Bandwidth

112.0GB/s

Render Config

-

SM Count

-

12

Compute Units

8

768

Shading Units

512

48

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

16.80 GPixel/s

Pixel Rate

18.93 GPixel/s

50.40 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

1.613 TFLOPS

FP32 (float)

1211 GFLOPS

100.8 GFLOPS

FP64 (double)

75.71 GFLOPS

Graphics Processor

Tobago

GPU Name

Lexa

Tobago PRO (215-0875010)

GPU Variant

Lexa PRO (215-0904018)

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

2.2 billion

160 mm²

Die Size

103 mm²

Board Design

100W

TDP

50W

300 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

6.4

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